Series V4 Vane Operated Flow Switch Specifications - Installation and Operating Instructions

PublishTime：2021-09-23

●Rugged and reliable the Flotect® V4 flow switch operates automatically to protect equipment and pipeline systems against damage from reduction or loss of flow. The V4 is time-tested being installed in thousands of pipelines and processing plants around the world. A unique magnetically actuated switching design gives superior performance. There are no bellows, springs, or seals to fail. Instead, a free-swinging vane attracts a magnet within the solid metal switch body, actuating a snap switch by means of a simple lever arm.
●FEATURES :
∎ Leakproof body machined from bar stock
∎ Choice of custom vane calibrated for your application, Model V4, or field adjustable multilayer vane, Model V4-2-U (see set point chart on page 4)
∎ Weatherproof, designed to meet NEMA 4
∎Explosion-proof (listing included in specifications)
∎ Installs directly and easily into the pipeline with a redolent, tee, or flange (see application drawings on page 4)
∎ Can be used in pipes 1-1/2 ̋ and up
∎ Electrical assembly can be easily replaced without removing the unit from installation so that the process does not have to be shut down
∎ High-pressure rating of 1000 psi (69 bar) with the brass body and 2000 psig (138 bar) with the 316 SS body ●APPLICATIONS :
∎Protects pumps, motors, and other equipment against low or no flow
∎Controls sequential operation of pumps
∎Automatically starts auxiliary pumps and engines
∎ Stops liquid-cooled engines, machines, and processing when coolant flow is interrupted
∎Shuts down burner when airflow through heating coil fails
∎Controls dampers according to flow

Brand of Product：	DWYER INSTRUMENTS
Part#：	Series V4 、 V4 More Part#
Product Category：	Vane Operated Flow Switch More
Application：	[ Protects pumps, motors, and other equipment against low or no flow ][ Controls sequential operation of pumps ][ Automaticallystarts auxiliary pumps and engines ][ Stops liquid-cooled engines, machines, and processing when coolant flow is interrupted ][ Shuts down burner when airflow through heating coil fails ][ Controls dampers according to flow ] More
Data Type：	Datasheet More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	2021/07/22
Version Number：	Rev. 9
Data Encoding：	82-440629-00
Data Size：	329 KB

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